Alloy NMG

Designation

Name	The value
Designation GOST Cyrillic	НМг
Designation GOST Latin	HMg
Transliteration	NMg
By chemical elements	NiMg

Description

NMG alloy used: for the manufacture of pipes; tape thickness of 0.05−2.0 mm, used in electronics and other industries; the cathodes.

Standards

Name	Code	Standards
Tubes of non-ferrous metals and alloys	В64	GOST 13548-77
Non-ferrous metals, including rare, and their alloys	В51	GOST 19241-80, GOST 28873-90
Tape	В54	GOST 2170-73

Chemical composition

Standard	C	S	P	Mn	Si	Ni	Fe	Cu	As	Zn	Sn	Sb	Bi	Mg	Cd
GOST 19241-80	≤0.05	≤0.005	≤0.001	≤0.03	≤0.02	Rest	≤0.07	≤0.05	≤0.001	≤0.005	≤0.001	≤0.001	≤0.001	0.02-0.07	≤0.001

Ni is the basis.
According to GOST 19241-80 the sum of the mass fractions of nickel and cobalt is ≥ 99.60%. In the alloy of vacuum smelting, the mass fraction of zinc should be ≤ 0.0040%.

Mechanical properties

σ_U, MPa	d₅, %	d₁₀
Tape supplied according to GOST 2170-73 (samples)
≥390	≥35	≥32
≥440	≥12	≥10
≥540	≥3	≥2

Description mechanical marks

Name	Description
σ_U	Limit short-term strength
d₅	Elongation after rupture
d₁₀	Elongation after rupture